Move PasswordForm from //content to //autofill.

The primary goal of this change is to allow PasswordForm to depend on //
autofill code for password generation. A side benefit is that this change will
allow iOS to cleanly use PasswordForm.

To accommodate the fact that multiple message files need to know about PasswordForm, it is put into a newly-created autofill_param_traits_macros.h rather than autofill_messages.h.

BUG=263121

Review URL: https://chromiumcodereview.appspot.com/23742004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221991 0039d316-1c4b-4281-b951-d872f2087c98
126 files changed